Wrench



' rareht diJul cza192a 1 I I 155 94 37211 UNITED STATES PA E T oF ICE, I

V i I Z iuA'rnnwaomvsoriAnnokior sPREoKinLS, CALIFO NIA. Q i I i vwnnivoin M r p I iplication'filed August 2o, i923. LeriaI IT Oi G5 SA4tJi The presentinvention relatesto improvenumber of grease "cups ofdifierent sizes.

c ments in'wrenches and has particular ref- Pivotedto the pin" (11 belowthe collar l erence to a wrench intended to b e used for (12) is a dog(16); having twoarms ('17) turning thecaps ongrease cups or the like.disposedfat alsuitalole angle to one another 5 It often is verydifiicult to applysufiicient and being toothed at the ends asshown at 65pressure when turning the cap of a grease (18) soas to be adapted toengage with the cup by hand to'force the grease into the corrugated ring(3) on the cap'fo'r the pur-" bearing it is intended for andimperfectlupose of revolving the latter when thehandle brication oftenis a result of'this difliculty. is turned. A nut('19)l-threadedly-iengaging My wrenchis designed so as to he conventhebottoni'endofthej pin-(11) holds the dog iently applied to any greasecup of anysize ln p0sition.f1-' i; w' M within the range of theinstrument and The manner of u'sing my wrench should i made to bereadily used for tightening as be readily understood from the fore oingwell as loosening the ca Further objects description. The far end of theban le is 1 and advantages of my device will appear slipped over.thest'ud 1) and thelpin' (11) as the specification'proceeds. is adjustedwithin the slot by means of the V The preferred form of my invention iswing nut (13) to bring. the dog into a suitillustrated in theaccompanying drawing, in able position relative to. the ring (3). 7 It;which Figure 1 shows "a plan view of my it is desired to tightenthe capthe lower arnr wrench, Figure 2 a longitudinal vertical "(17) of thedog, as viewed inFigure '1, is I sectiont-hrough the same,- and Figure 3:a brought in contact: with the ring (3) by perspective viewillustrating the use'ot'my' means ot the operators thumb, whereupon w IWrench NVhfleI h ho l th pre the handle may be turned' To loosenlthe'ferred form of my inventiom-Iwish to have cap the other arm of the dogis engaged it understood that various changes .or mo dithe ring and thehandle is turned in the 5 fications may be made within'the scopel'of'opposltegdirection'; .It will be readily seen the claims hereto attachedwithout departthat the handle may either be turned to de ing fromthespirit of the invention. scribe complete" revolutions, ,or if notsufli The grease cup (1) is provided with a cap cient space isjatftheoperators disposal the (2).adapted to be threaded on the same and handlemay be advanced step-wise, the dogv 1 to thereby force grease providedin the cup arrangement being such as to allow the haninto a; bearingorthe like, as shown in the dleto be'vworked'back'and forth, taking adrawing. The" cap which is usually provid' new bite at each forwardstroke a ed with a corrugated ring (3) as shown in I claim:

Figure 3, for the purpose of facilitating its A wrench for a grease cuporthe like kha vhandling'hasa central stud t)risingfrom ing a centralprojection rising from its cap, 7 its upper face. 1 a comprising ahandle perforatedto pivotally My wrench (6). comprises a flat handleengage the projection and havingarlongi- (7) perforate-d at one end asshown at (8) tudinal slot provided thereirna'pin having a to pivotallyengage the stud(4) and slotted means associated therewith fcrIadjustablyas shown at (9) to slidably receive the pin positioning the same in theslot, and a double (11). The latter is provided with a collar acting dogpivoted to the pin presenting di-c (12) engaging the bottom face of thehandle verging outwardly curved ends positioned I while a wing nut (13)threadedly' engages forselect-ive frictional engagement with the;- g 45the upper endof the pin and bears down on peripheral edge of theoap withoppositely 95, v

a Washer(14:) provided between the nut and slanting teeth out into thesaid ends allowthe top face of the handle. This arrangeing" bites to besecured for revolving the'cap ment allows the pin to be adjusted in anywhen the handle is "turned in the direction Z suitable position withintheslot so as to of the teeth. 7 .111, H v allow the wrench to be usedfora large 7 -MATH E VV JOHN'SGHADECK, 5

